Money is nice, fame is dizzying, and professional accolades can be rewarding. But the truest measurement of a life lived well — or at least strategically — may be the quality of the biographer you can persuade, or hire, to tell your story. In the case of Dr. Dre and Jimmy Iovine, the story is a doozy. For more check out “The Defiant Ones,” a glossy, rapidly-paced, ambitious and fun biographical documentary.